Skip to main content
Source Library

Wisdom belongs to everyone.

Library

  • Browse Books
  • Gallery
  • Collections
  • Timeline
  • Encyclopedia
  • Search

About

  • About
  • Blog
  • Press

Participate

  • Contribute
  • SupportDonate
  • Developers
  • Standards
Embassy of the Free MindTU Delft
CC0 Public Domain
© 2026 Source Library — An initiative of the Embassy of the Free Mind·
Derek@ancientwisdomtrust.orgPrivacyTerms
← Back to Library

Encyclopedia

People, places, and concepts that appear across multiple books in the collection. Discover connections between texts.

240
Total
64
People
32
Places
144
Concepts
AllABCDEFGHIJKLMNOPQRSTUVWXYZ
By relevanceA – Z

240 results starting with “O”

Optic nerves

4 books · 74 mentions

Vesalius: De Humani Corporis Fabrica (1555)Kepler: Dioptrice (1611 First Edition)+1 more

Obadiah

A biblical prophet whose short book is often interpreted in mystical and apocalyptic traditions within Western esotericism.

4 books · 72 mentions

Polygraphie (1561 French)Tractatus Theologico-Politicus
PreviousPage 2 of 4Next
+1 more

Olympiads

4 books · 72 mentions

On the Ancient Hermetic Medicine of the Egyptians and the New Medicine of the ParacelsiansOedipus Aegyptiacus Volume I (1652)+1 more

Orcus

4 books · 65 mentions

De oraculis ChaldaicisUeber die alten und neuen Mysterien+1 more

Orvieto

4 books · 65 mentions

Divine Comedy with Landino Commentary (1487 Incunabulum)Utriusque cosmi majoris scilicet et minoris metaphysica, physica atque technica historia+1 more

Orphic life

4 books · 63 mentions

Plato: Complete Works (Ficino Translation)Complete Plato (Thomas Taylor trans.)+1 more

Olympic Spirit

4 books · 61 mentions

Paracelsus: Complete Works (Latin)New Light of Alchemy (with Paracelsus)+1 more

Omentum

4 books · 57 mentions

Medical Letters, Volume OneVesalius: De Humani Corporis Fabrica (1555)+1 more

Oracles

4 books · 56 mentions

Weyer: De Praestigiis Daemonum (1568)Origen Philocalia (Greek)+1 more

Oil of the Philosophers

4 books · 51 mentions

Paracelsus: Complete Works (Latin)Theatrum Chemicum Vol. III (1602)+1 more

Optical illusions

4 books · 51 mentions

Ten Books on ArchitectureCardano: De Subtilitate (1550)+1 more

Ortygia

4 books · 50 mentions

Miscellanies (philological studies)Chymisches Cabinet+1 more

Ostracism

4 books · 47 mentions

Opera Omnia (Complete Works)Plato: Complete Works (Ficino Translation)+1 more

Ostia

4 books · 45 mentions

On the Revolutions of the Celestial SpheresPalladio: Quattro Libri (1616 Venice)+1 more

Onesiphorus

4 books · 38 mentions

A Christian and Heavenly Treatise: Containing Medicine for the SoulOrigen Philocalia (Greek)+1 more

Orthopnea

4 books · 38 mentions

Ortus Medicinae (Origin of Medicine)Hortus Sanitatis+1 more

Osiander

4 books · 38 mentions

Historical-Theological Considerations of Remarkable TruthsDe Revolutionibus (1543 First Edition)+1 more

Orichalcum

4 books · 36 mentions

Opera Omnia (Complete Works)Plato: Complete Works (Ficino Translation)+1 more

Orléans

4 books · 35 mentions

Weyer: De Praestigiis Daemonum (1568)Alchymia Triumphans: Defense of Alchemy Against the Parisian Faculty+1 more

Oceanus

4 books · 29 mentions

Complete Works of Plato, translated by Marsilio Ficino (1518)Opera Omnia (Complete Works)+1 more

Oceanus

4 books · 26 mentions

Complete Works of Plato, translated by Marsilio Ficino (1518)Opera Omnia (Complete Works)+1 more

Objective reality

3 books · 175 mentions

Oeuvres de Descartes Vol. VII (Meditationes)Discours de la Méthode suivi des Méditations Métaphysiques+1 more

Occult Qualities

3 books · 89 mentions

Newton: Principia (1726 Third Edition)Naturall Philosophie Reformed by Divine Light (1651)+1 more

Octavian Caesar

3 books · 78 mentions

Sylva Sylvarum (Latin edition)Sylva Sylvarum (1631 English edition)+1 more

Octavia

3 books · 67 mentions

Von etlichen frowen (1479 Augsburg - German translation)De claris mulieribus (14th c. Italian translation, ed. Tosti 1841)+1 more

Orthogonal

3 books · 65 mentions

Epitome of Ptolemy's Almagest (1496)Elementa (Elements)+1 more

Oil of Sulfur

3 books · 59 mentions

New Light of Alchemy (with Paracelsus)Reg.lat.1278+1 more

Otho

3 books · 52 mentions

Von etlichen frowen (1479 Augsburg - German translation)De claris mulieribus (14th c. Italian translation, ed. Tosti 1841)+1 more

Order of Melchizedek

3 books · 51 mentions

New Testament (Armenian-Greek-Italian trilingual)Anmerkungen ueber den Horus+1 more

Oblique motion

3 books · 50 mentions

Vesalius: De Humani Corporis Fabrica (1555)Complete Works of Pseudo-Dionysius+1 more

Overtones

3 books · 48 mentions

Harmonie Universelle (Tome I)Harmonie Universelle (Tome II)+1 more

Ortulanus

3 books · 44 mentions

Lehigh Codex (15th c. Naples Alchemical MS)Theatrum Chemicum Vol. III (1602)+1 more

Occult Science

3 books · 44 mentions

Occult Significance of BloodTraité élémentaire de magie pratique+1 more

Olympus

3 books · 43 mentions

Plato: Complete Works (Ficino Translation)Harmonie Universelle (Tome II)+1 more

Obliquity

3 books · 41 mentions

On the Revolutions of the Heavenly Spheres (1543 First Edition)De Revolutionibus (1543 First Edition)+1 more

Orphic Hymns

3 books · 36 mentions

900 Theses (1486 Rome Edition)Complete Works (1557 Basel edition)+1 more

Od

3 books · 36 mentions

Traité élémentaire de magie pratiqueDogme et rituel de la haute magie - Tome 1: Dogme+1 more

Omens

3 books · 35 mentions

Essay on the Sacred Fire and on the VestalsAlciato: Emblemata (1548 Lyon)+1 more

Olympus the Phrygian

3 books · 33 mentions

Complete Works of Plato, translated by Marsilio Ficino (1518)Plato: Complete Works (Ficino Translation)+1 more

Orosius

3 books · 32 mentions

Boethius: De Consolatione (1486)Alchymia: Comprehensive Treatise on Alchemy+1 more

Opinion (Doxa)

3 books · 30 mentions

Plato: Complete Works (Ficino Translation)Complete Plato (Thomas Taylor trans.)+1 more

Oratory

3 books · 27 mentions

Petrarch: Sonnets with Commentary (1519)De claris selectisque mulieribus (1497 Ferrara)+1 more

Ophanim

3 books · 25 mentions

Philosophia sacra et vere christiana seu Meteorologia cosmicaOn the Harmony of the Whole World+1 more

Ocellus Lucanus

3 books · 24 mentions

Ocellus Lucanus De universi natura (Vizzani 1646)Ocellus Lucanus On the Nature of the Universe (Taylor 1831)+1 more

Octateuch

3 books · 22 mentions

Greek Old Testament (Tischendorf)Septuagint (LXX) Codex Vaticanus Edition+1 more

Oracle

3 books · 21 mentions

Complete Works of Plato, translated by Marsilio Ficino (1518)Landino: Dante Commentary (1481 Florence)+1 more

Original Justice

3 books · 17 mentions

Divine Comedy with Landino Commentary (1487 Incunabulum)Landino: Dante Commentary (1481 Florence)+1 more

Organic unity

3 books · 14 mentions

Opera Omnia (Complete Works)Plato: Complete Works (Ficino Translation)+1 more

Oil of Antimony

2 books · 98 mentions

Reg.lat.1278Manuductio hermedico-philosophica, oder richtige Handleitung zu der wahren philosophischen Medicin

Osnabrück

2 books · 95 mentions

Alchymistische BriefeClypeum veritatis; das ist Kurtze, jedoch gründliche Antwort

Oswald Croll (Crollius)

2 books · 92 mentions

Basilica Chymica (BSB/Hartmann edition)Basilica chymica. De signaturis

Ostend

2 books · 85 mentions

Menippus, sive, dialogorum satyricorumManaiyati Chastiram

Orpharion

2 books · 62 mentions

Utriusque cosmi majoris scilicet et minoris metaphysica, physica atque technica historiaHistory of Both Worlds: Macrocosm

Occasional Cause

2 books · 59 mentions

Opuscula Medica InauditaOrtus Medicinae (Origin of Medicine)

Oswald Croll (Oswaldus Crollius)

2 books · 59 mentions

Basilica Chymica (BSB/Hartmann edition)Basilica chymica. De signaturis

Obelisk

2 books · 59 mentions

The Strife of Love in a Dream, or the Discourse of the Dream of PoliphiloHypnerotomachia Poliphili (1499 Aldine)+1 more

Og

2 books · 54 mentions

Biblia Hebraica: Hebrew Bible with Critical AnnotationsSefer ha-Zohar (Mantua 1558)+1 more

Our Lady (The Virgin Mary)

2 books · 50 mentions

The way of perfectionThe Tree of Science

Oral Torah

2 books · 50 mentions

The Zohar: Book of GenesisSefer ha-Zohar (Cremona 1558)+1 more

Orbilius

2 books · 49 mentions

Sylva Sylvarum (Latin edition)Sylva Sylvarum (1631 English edition)